Greenland
Traveler tip, when going to Europe from the US always sit on the left so you see the northern lights at night. On the way back sit on the right so you see Greenland. Tldr sit looking north. 
Traveler tip, when going to Europe from the US always sit on the left so you see the northern lights at night. On the way back sit on the right so you see Greenland. Tldr sit looking north.